Pushing thermoelectric generators toward energy harvesting from the human body: Challenges and strategies

T Sun, L Wang, W Jiang - Materials Today, 2022 - Elsevier
Advances in miniaturized portable electronics and progress on novel enabling technologies,
consequently accompanied by power consumption downgraded from the scale of milliwatts …

Backscatter wireless communications and sensing in green Internet of Things

US Toro, K Wu, VCM Leung - IEEE Transactions on Green …, 2021 - ieeexplore.ieee.org
Internet of Things (IoT) is a key technology for enabling ubiquitous applications that
interconnect with cyber-physical systems in various environments. However, its large scale …

Leggiero: Analog wifi backscatter with payload transparency

X Na, X Guo, Z Yu, J Zhang, Y He, Y Liu - Proceedings of the 21st Annual …, 2023 - dl.acm.org
Backscatter is an enabling technology for battery-free sensing in today's Artificial Intelligence
of Things (AIOT). Building a backscatter-based sensing system, however, is a daunting task …

Wireless, battery-free, and real-time monitoring of water permeation across thin-film encapsulation

M Mariello, JD Rosenthal, F Cecchetti, M Gao… - Nature …, 2024 - nature.com
Long-term bioelectronic implants require stable, hermetic encapsulation. Water and ion
ingress are challenging to quantify, especially in miniaturized microsystems and over time …

Passive {DSSS}: Empowering the downlink communication for backscatter systems

S Li, H Zheng, C Zhang, Y Song, S Yang… - … USENIX symposium on …, 2022 - usenix.org
The uplink and downlink transmissions in most backscatter communication systems are
highly asymmetric. The downlink transmission often suffers from its short range and …

Sozu: Self-powered radio tags for building-scale activity sensing

Y Zhang, Y Iravantchi, H **, S Kumar… - Proceedings of the 32nd …, 2019 - dl.acm.org
Robust, wide-area sensing of human environments has been a long-standing research goal.
We present Sozu, a new low-cost sensing system that can detect a wide range of events …

Backscatter communication-based wireless sensing (BBWS): Performance enhancement and future applications

US Toro, BM ElHalawany, AB Wong, L Wang… - Journal of Network and …, 2022 - Elsevier
Wireless Sensing (WS) provides a low-cost means of monitoring humans and objects for the
next generation of IoT. However, the deployment of WS for various applications is limited by; …

OptoSense: Towards ubiquitous self-powered ambient light sensing surfaces

D Zhang, JW Park, Y Zhang, Y Zhao, Y Wang… - Proceedings of the …, 2020 - dl.acm.org
Ubiquitous computing requires robust and sustainable sensing techniques to detect users
for explicit and implicit inputs. Existing solutions with cameras can be privacy-invasive …

Mars: Nano-power battery-free wireless interfaces for touch, swipe and speech input

N Arora, A Mirzazadeh, I Moon, C Ramey… - The 34th Annual ACM …, 2021 - dl.acm.org
Augmenting everyday surfaces with interaction sensing capability that is maintenance-free,
low-cost (∼ $1), and in an appropriate form factor is a challenge with current technologies …

Ultra low-latency backscatter for fast-moving location tracking

J Wang, V Ranganathan, J Lester… - Proceedings of the ACM on …, 2022 - dl.acm.org
This paper explores building an ultra-low latency and high-accuracy location tracking
solution using battery-free tags. While there is rich prior work on location tracking with …